Cosmetic Ingredients Flashcards
Cytokines are
Protein messengers in the skin tissue . In the skin they help cells communicate with cells . If u are affecting the top layer u also affect the dermis . If u are doing a peel and u exfoliate the epidermis aggressively enough the cytokines will activate the fibroblasts
What do fibroblasts product ?
Collagen
Elastin
Glycociminoglycans
Collagen ?
Gives skin it’s tonicity
Elastin ?
Gives skin elasticity
Glycociminoglycans ?
Sugar molecule helps hold on to water in the skin . Dermal layer . Plumps the skin
Grape vs raisin
How do fibrocytes convert to fibroblasts?
Triggered by trauma / stimulation and other energy sources
Peels
Retinol ing
Modalities : microdermabrasion micro current , LED lasers radio frequency and ultrasound machines
What’s the stratum lucidim for ?
First layer palms of hands and sole of feet
Clear to allow certain amount of UV light to help synthesize vit D in our body (muscle and bones )
Basal layer ?
Stratum spinosum and germinativum
Woven connected
Melanocytes and mitosis are present
Stratum granulosum ?
Grainy layer
Becoming keratinized
Very little water less than 5%
Cells starting to dye off
How many layers in the dermis ?
Papillary
Reticular
Papillary?
Upper dermis layer
25-30%
Reticular ?
Deep layer of dermis .
70%
What does hair follicle contain ?
Apocrine
Oil and sweat gland
(Activates by emotional distress )
Sweat pore ?
Eccrine
Produces sweat
(Activated by physically being hot )
What forms acid mantle ?
Oil
Sweat
Keratinized cells
Hey
Acid mantle offers skin ?
Protection
Lubrication
Ph 4.5-6.5
What’s the acid mantle ph and acidic or alkaline ?
4.5-6.5
Acidic
Alkaline ?
Soap and water
Skin it’s dry/flaky open to pathogenic invasion
Acidic ?
It’s red in the ph scale
Too many beta hydroxy / alpha hydroxy
Eccrine ?
Sweat pore
Activated by being hot
Apocrine ?
Hair follicle
It contains oil and sweat gland
Activated by emotional distress
Mast cells ?
Scattered throughout dermis
Responsible growth of dermis
Nd production of histamine
Fibroblasts ?
Secretes collagen elastin and gags
Macrophages?
White blood cell
Part of immunity
Helps engulf pathogens